U.S. patent application number 16/632385 was filed with the patent office on 2020-07-23 for multifunctional high-strength composite fabric coating agent, coating, method for preparing the same, and application thereof.
The applicant listed for this patent is Jiangnan University. Invention is credited to Lei DENG, Chanjuan HUANG, Zhu LONG, Dan ZHANG.
Application Number | 20200232156 16/632385 |
Document ID | / |
Family ID | 60024973 |
Filed Date | 2020-07-23 |
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United States Patent
Application |
20200232156 |
Kind Code |
A1 |
ZHANG; Dan ; et al. |
July 23, 2020 |
MULTIFUNCTIONAL HIGH-STRENGTH COMPOSITE FABRIC COATING AGENT,
COATING, METHOD FOR PREPARING THE SAME, AND APPLICATION THEREOF
Abstract
A multifunctional high-strength composite fabric coating agent,
a coating, a method for preparing the same and an application
thereof are provided. The fabric coating agent includes a resin, a
reinforcing agent with a reactive group, a bifunctional dispersing
agent, a leveling agent, a film forming agent, a softening agent,
an antibacterial agent, a solvent, and the like. The reinforcing
agent is modified such that it has active functional groups of --OH
and NH.sub.3. The fabric coating agent is not only easy to apply,
fast to react and stabilize, but also suitable for a fabric surface
of any material. A treated fabric has high tensile-breaking
strength, excellent tearing and bursting performance, good
waterproof-and-moisture-permeability and antibacterial performance,
and high adhesion. It can be repeatedly knife coated, roll coated,
calendared, or dipped. The method is not only mature in technology
and low in production cost, but also suitable for large-scale
application.
Inventors: |
ZHANG; Dan; (Wuxi City,
CN) ; HUANG; Chanjuan; (Wuxi City, CN) ; DENG;
Lei; (Wuxi City, CN) ; LONG; Zhu; (Wuxi City,
CN) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
Jiangnan University |
Wuxi City |
|
CN |
|
|
Family ID: |
60024973 |
Appl. No.: |
16/632385 |
Filed: |
April 17, 2018 |
PCT Filed: |
April 17, 2018 |
PCT NO: |
PCT/CN2018/083416 |
371 Date: |
January 20, 2020 |
Current U.S.
Class: |
1/1 |
Current CPC
Class: |
C08K 9/04 20130101; D06M
15/55 20130101; C09D 175/04 20130101; D06N 3/0063 20130101; D06N
2209/103 20130101; C08K 2201/011 20130101; D06N 2209/1671 20130101;
C09D 5/14 20130101; C09D 133/00 20130101; D06M 23/10 20130101; D06N
3/042 20130101; C08K 5/103 20130101; C08K 2003/385 20130101; C08K
9/08 20130101; D06M 15/564 20130101; C08K 3/34 20130101; C08K 3/38
20130101; C09D 161/06 20130101; C08K 2003/2227 20130101; D06N
3/0036 20130101; D06M 11/46 20130101; C08L 2205/02 20130101; D06N
3/0061 20130101; D06M 11/70 20130101; D06M 15/59 20130101; D06N
2209/128 20130101; C08K 9/06 20130101; C08K 13/06 20130101; D06N
3/0006 20130101; D06M 11/78 20130101; C08K 2003/2248 20130101; C08K
3/14 20130101; D06N 3/14 20130101; D06M 15/41 20130101; D06N 3/12
20130101; D06M 11/58 20130101; D06M 15/263 20130101; D06N 2201/045
20130101; C09D 179/04 20130101; D06M 11/74 20130101; D06M 2101/04
20130101; D06M 11/42 20130101; C08K 2003/2296 20130101 |
International
Class: |
D06M 15/55 20060101
D06M015/55; D06M 15/263 20060101 D06M015/263; D06M 15/59 20060101
D06M015/59; D06M 15/564 20060101 D06M015/564; D06M 15/41 20060101
D06M015/41; D06M 11/78 20060101 D06M011/78; D06M 11/74 20060101
D06M011/74; D06M 11/58 20060101 D06M011/58; D06M 11/42 20060101
D06M011/42; D06M 11/46 20060101 D06M011/46; D06M 11/70 20060101
D06M011/70; D06M 23/10 20060101 D06M023/10 |
Foreign Application Data
Date |
Code |
Application Number |
Jul 20, 2017 |
CN |
201710595761.X |
Claims
1. A multifunctional high-strength composite fabric coating agent,
comprising a resin, a reinforcing agent with a reactive group on
its surface, a bifunctional dispersing agent, a leveling agent, a
film forming agent, a softening agent, an antibacterial agent, and
a solvent, wherein a mass proportion of the resin, the reinforcing
agent with the reactive group on its surface, the bifunctional
dispersing agent, the leveling agent, the film forming agent, the
softening agent, and the antibacterial agent is
1:0.01-0.6:0.02-0.5:0.02-0.4:0.01-0.3:0.01-0.4:0.01-0.3, and a mass
proportion of the solvent and the resin is 100:0.01-50.
2. The multifunctional high-strength composite fabric coating agent
of claim 1, wherein the mass proportion of the resin, the
reinforcing agent with the reactive group on its surface, the
bifunctional dispersing agent, the leveling agent, the film forming
agent, the softening agent, and the antibacterial agent is
1:0.01-0.6:0.02-0.5:0.02-0.4:0.01-0.3:0.01-0.4:0.01-0.3, preferably
being 1:0.01-0.3:0.05-0.4:0.05-0.3:0.01-0.2:0.02-0.3:0.01-0.2,
and/or the mass proportion of the solvent and the resin is
100:0.01-40, preferably being 100:0.05-30, and preferably the
coating agent further comprises pigment in 1 wt %-2.5 wt %.
3. The multifunctional high-strength composite fabric coating agent
of claim 1, wherein the resin comprises one or more combinations of
epoxy resin, phenolic resin, polyurethane resin, cyanate ester
resin, bismaleimide resin, polyimide resin, organic silicone resin,
and acrylic resin, and/or the content of the resin in the
multifunctional high-strength composite fabric coating agent is in
a range of 0.01-50 wt %; wherein the reinforcing agent comprises
nanoparticles, each of the nanoparticle has particle sizes of 1-200
nm, and preferably the nanoparticles comprise one or more
combinations of silicon dioxide, talc, mica powder, aluminum
nitride, nano ceramic, titanium boride, titanium carbide, hexagonal
boron nitride, black gemstone, nano-silicon carbide, tungsten
carbide, titanium nitride, and aluminum oxide; wherein the reactive
group comprises one or more combinations of --OH, --NH.sub.3,
--COOH, and epoxy; wherein a step for preparing the reinforcing
agent with the reactive group on its surface comprises: adding a
reinforcing agent, a synergist, and a solvent in a mass proportion
of 1:0.025-2.5:20-50 to react for 1-10 hours at 20-100.degree. C.,
wherein after reaction products are cooled, solids therein are
separated and are dried at room temperature for 10-30 hours, and
then, milling and screening are performed; wherein the synergist
comprises a silane coupling agent and/or a polymer compound;
wherein the silane coupling agent comprises one or more
combinations of 3-aminopropyltrimethoxysilane,
.gamma.-(2,3-epoxypropoxy) propyltriethoxysilane,
.gamma.-methylpropenyloxypropyltrimethoxysilane,
N-(.beta.-aminoethyl)-.gamma.-aminopropyltriethoxysilane,
anilinoisophorone, and .gamma.-aminopropylmethyldiethoxysilane;
wherein the polymer compound comprises one or more combinations of
polyvinyl alcohol, polyamide, polyacrylic acid, polymethylacrylic
acid, polymaleic anhydride and copolymer of trans-butenedioic
acid-propylene sulfonic acid; wherein the bifunctional dispersing
agent comprises one or more combinations of triethylhexyl
phosphoric acid, sodium dodecyl sulfate, polyacrylamide, Gur gum,
fatty acid polyethylene glycol ester, sodium tripolyphosphate,
sodium hexametaphosphate, sodium dodecylbenzene sulfonate; wherein
the leveling agent comprises one or more combinations of
polyacrylic acid, butyl cellulose, isophorone, octyl
triethoxysilane, dodecyl triethoxysilane, isooctyl triethoxysilane,
.gamma.-chloropropyl triethoxysilane, .gamma.-mercaptopropyl
triethoxysilane, and polydimethylsiloxane; wherein the film forming
agent comprises one or more combinations of glycol monopropyl
ether, glycol monobutyl ether, dodecanol alcohol ester, chitosan,
acrylic resin, polyvinylamine, and dimethyldiallylammonium
chloride; wherein the softening agent comprises one or more
combinations of pentaerythritol fatty acid ester, glycerin
monofatty acid ester, sorbitan fatty acid ester, fatty acid
ethanolamide, hydroxymethyl fatty amide, stearic acid
triethanolamine ammonium acetate, N--N-diethylethylenediamine,
stearylamine hydrochloride; wherein the antibacterial agent
comprises one or more combinations of nano zinc oxide, nano copper
oxide, dihydroamine phosphate, lithium carbonate and nano titanium
oxide; wherein the solvent comprises one or more combinations of
deionized water, alcohol, fatty ketone, fatty hydrocarbon and
aromatic hydrocarbon; wherein the alcohol comprises one or more
combinations of ethanol, isopropanol, isoamyl alcohol, n-butanol
and glycerol; wherein the fatty ketone comprises acetone and/or
butanone; wherein the fatty hydrocarbon includes one or more
combinations of n-pentane, n-hexane, n-heptane, n-octane and
cyclohexane; wherein the aromatic hydrocarbon includes toluene
and/or xylene.
4. A method for preparing a multifunctional high-strength composite
fabric coating agent of claim 1, comprising: mixing a reinforcing
agent, a synergist, and a solvent uniformly in a mass proportion of
1:0.025-2.5:20-50 with reacting at 20-100.degree. C. for 1-10 hours
to obtain a reinforcing agent with a reactive group on its surface;
mixing a resin and a solvent uniformly in a mass proportion of
0.01-50:100 and are stirred for 1-60 minutes at a speed of 200-2000
rpm, so as to obtain a uniform and stable dispersion solution; and
dispersing the reinforcing agent with the reactive group on its
surface, a bifunctional dispersing agent, a leveling agent, a film
forming agent, a softening agent, and an antibacterial agent
uniformly in the dispersion solution according to a mass proportion
of 0.01-0.6:0.02-0.5:0.02-0.4:0.01-0.3:0.01-0.4:0.01-0.3, so as to
obtain the multifunctional high-strength composite fabric coating
agent; wherein, preferably, a step for preparing the reinforcing
agent with the reactive group on its surface comprises: adding a
reinforcing agent, a synergist, and a solvent in a mass proportion
of 1:0.025-2.5:20-50 to a reactor and reacting for 1-10 hours at
20-100.degree. C., wherein after reaction products are cooled,
solids therein are separated and are dried at room temperature for
10-30 hours, and then, milling and screening are performed; wherein
the synergist comprises a silane coupling agent and/or a polymer
compound; wherein the silane coupling agent comprises one or more
combinations of 3-aminopropyltrimethoxysilane,
.gamma.-(2,3-epoxypropoxy) propyltriethoxysilane,
.gamma.-methylpropenyloxypropyltrimethoxysilane,
N-(.beta.-aminoethyl)-.gamma.-aminopropyltriethoxysilane,
anilinoisophorone, and .gamma.-aminopropylmethyldiethoxysilane;
wherein the polymer compound comprises one or more combinations of
polyvinyl alcohol, polyamide, polyacrylic acid, polymethylacrylic
acid, polymaleic anhydride and copolymer of trans-butenedioic
acid-propylene sulfonic acid.
5. The preparation method of claim 4, further comprising: mixing
the resin and the solvent uniformly in a mass proportion of
0.01-50:100 and stirring them at a speed of 200-2000 rpm for 1-60
minutes, so as to obtain the uniform and stable dispersion
solution.
6. A multifunctional high-strength composite fabric coating formed
from the multifunctional high-strength composite fabric coating
agent of claim 1, wherein a thickness of the coating is in a range
of 5-10 .mu.m.
7. A modified fabric, comprising a fabric base, wherein the fabric
base is covered with the multifunctional high-strength composite
fabric coating of claim 6, and preferably tensile breaking strength
of the fabric is 80% higher than that of the fabric base, bursting
strength of the fabric is 80% higher than that of the fabric base,
tearing strength of the fabric is 80% higher than that of the
fabric base.
8. The modified fabric of claim 7, wherein the fabric base
comprises any one of knitted fabric, woven fabric, and non-woven
fabric, and preferably the woven fabric comprises plain, twill, or
satin fabric.
9. The modified fabric of claim 7, wherein the fabric base
comprises any one of natural fiber fabric, chemical fiber fabric
and blended fabric, wherein preferably the natural fiber fabric
comprises one or more blended fabric combinations of cotton fabric,
hemp fabric, wool fabric, and silk fabric, wherein preferably the
chemical fiber fabric comprises one or more blended fabric
combinations of polyester fabric, acrylic fabric, and nylon
fabric.
10. A method for improving performance of a fabric, comprising:
covering a fabric surface with the multifunctional high-strength
composite fabric coating agent of claim 1 to form a multifunctional
high-strength composite fabric coating, wherein preferably covering
the fabric surface with the multifunctional high-strength composite
fabric coating agent is performed at least by any one approach of
knife coating, roll coating, calendering, and dipping.
Description
CROSS-REFERENCES TO RELATED APPLICATIONS
[0001] This application is a 371 application of the International
Patent Application No. PCT/CN2018/083416 filed on Apr. 17, 2018,
which claims priority from the Chinese patent application No.
201710595761.X filed on Jul. 20, 2017, and the disclosures of which
are incorporated herein by reference in their entirety.
FIELD OF THE INVENTION
[0002] The present invention relates to a multifunctional
high-strength composite fabric coating agent, a multifunctional
high-strength composite fabric coating, a method for preparing the
same, and an application thereof, belonging to a material technical
field.
BACKGROUND OF THE INVENTION
[0003] A fabric coating is a kind of polymer compound, which is
uniformly coated on a fabric surface. It can form one or more thin
films on a fabric surface by adhesion, which not only can improve
the appearance and style of the fabric, but also provide the fabric
with more functional attributes, such as high strength, waterproof,
water resistance, air-and-moisture permeability, fire resistance
and antifouling, light shielding and reflection, and the like.
[0004] At present, most of the fabrics in the market have low
strength. Performing a functional arrangement to a fabric is namely
a coating technology, which can meet standard performance
requirements of fabrics under specific conditions, yet does not
significantly increase costs. However, conventional fabric coatings
cannot meet the performance requirements of wear resistance, high
strength, waterproof-and-moisture-permeability and the likes of
high-end tents, toys, travel bags, express packages and the
like.
SUMMARY OF THE INVENTION
[0005] The main purpose of the present invention is to provide a
multifunctional high-strength composite fabric coating agent, a
multifunctional high-strength composite fabric coating, a method
for preparing the same, and an application thereof, so as to
overcome shortcomings in the prior art.
[0006] In order to realize the afore-described purpose of the
present invention, the present invention adopts the technical
arrangements including:
[0007] Embodiments of the present invention provide a
multifunctional high-strength composite fabric coating agent
including a resin, a reinforcing agent with a reactive group on its
surface, a bifunctional dispersing agent, a leveling agent, a film
forming agent, a softening agent, an antibacterial agent, a
solvent. A mass proportion of the resin, the reinforcing agent with
the reactive group on its surface, the bifunctional dispersing
agent, the leveling agent, the film forming agent, the softening
agent, and the antibacterial agent is
1:0.01-0.6:0.02-0.5:0.02-0.4:0.01-0.3:0.01-0.4:0.01-0.3, and a mass
proportion of the solvent and the resin is 100:0.01-50.
[0008] Embodiments of the present invention further provide a
method for preparing the afore-described multifunctional
high-strength composite fabric coating agent, which includes:
[0009] A reinforcing agent, a synergist, and a solvent are mixed
uniformly in a mass proportion of 1:0.025-2.5:20-50 with reacting
at 20-100.degree. C. for 1-10 hours to obtain a reinforcing agent
with a reactive group on its surface.
[0010] A resin and a solvent are mixed uniformly in a mass
proportion of 0.01-50:100 and are stirred for 1-60 minutes at a
speed of 200-2000 rpm, so as to obtain a uniform and stable
dispersion solution.
[0011] The reinforcing agent with the reactive group on its
surface, a bifunctional dispersing agent, a leveling agent, a film
forming agent, a softening agent, and an antibacterial agent are
dispersed uniformly in the dispersion solution according to a mass
proportion of
0.01-0.6:0.02-0.5:0.02-0.4:0.01-0.3:0.01-0.4:0.01-0.3, so as to
obtain a multifunctional high-strength composite fabric coating
agent.
[0012] Embodiments of the present invention further provide a
multifunctional high-strength composite fabric coating formed from
the afore-described multifunctional high-strength composite fabric
coating solution.
[0013] Embodiments of the present invention further provide a
fabric including a fabric base, in which a surface of the fabric
base is covered with the multifunctional high-strength composite
fabric coating.
[0014] Embodiments of the present invention further provide a
method for improving performance of a fabric, which includes:
covering a fabric surface with the multifunctional high-strength
composite fabric coating agent to form a multifunctional
high-strength composite fabric coating.
[0015] In comparing with the prior art, advantages of the present
invention include:
[0016] 1) A reinforcing agent in a multifunctional high-strength
composite fabric coating agent provided by the present invention
has reactive groups resulted from a surface modification treatment
to the reinforcing agent, such as --OH, --NH.sub.3 or the like,
which enhances the binding force between the coating and the
fabric, thereby greatly improving strength and scratch resistance
of the coating;
[0017] 2) A bifunctional dispersing agent in the multifunctional
high-strength composite fabric coating agent provided by the
present invention not only provides a dispersing function but also
the function of reducing surface tension of the coating, such that
the multifunctional high-strength composite fabric coating can more
effectively penetrate in between yarns and into micropores of
fibers; achieving the effect of that the coating being better
combined with the fabric, thus greatly improving the durability of
the fabric coating;
[0018] 3) The multifunctional high-strength composite fabric
coating agent provided by the present invention is not only easy to
apply, fast to react and stabilize, but also basically suitable for
a fabric surface of any material; moreover, a fabric after knife
coating, roll coating, calendering, and dipping has high strength,
good tearing resistance performance and bursting resistance
performance, good durability, high adhesion, and good antibacterial
performance and waterproof-and-moisture-permeability performance;
yet air permeability performance and softness of the original
fabric are not affected, and even being repeatedly knife coated,
roll coated, calendared, and dipped; the preparation method thereof
is not only technologically mature and low in production cost, but
also suitable for large-scale application;
[0019] 4) The multifunctional high-strength composite fabric
coating formed from the multifunctional high-strength composite
fabric coating agent provided by the present invention is thin
(i.e. about 5-10 .mu.m) and light, yet does not affect the normal
use of the coated fabric;
[0020] 5) The multifunctional high-strength composite fabric
coating formed from the multifunctional high-strength composite
fabric coating agent provided by the present invention has
extremely high strength, and it can be prepared with various colors
according to demands and have excellent adhesion; in addition to
its usage on fabrics, it can also be used for plastic products,
glass, wood, and other base materials, so as to increase strength
of the base materials and give the base materials brilliant
colors.
BRIEF DESCRIPTION OF THE DRAWINGS
[0021] FIGS. 1A-1C show coating effects of pure color, green, and
red coating agents on white cotton cloths, respectively, according
to an embodiment 1;
[0022] FIG. 2 shows a coating effect of a coating agent on a pink
cloth according to an embodiment 2; and
[0023] FIG. 3 shows a coating effect of a coating agent on a pink
cloth according to an embodiment 3.
DETAILED DESCRIPTION
[0024] In view of deficiencies in the prior art, the inventor of
the present application provides the technical solutions based on
the present invention after a lengthy research and a large number
of practices. In the following, the technical arrangements,
implementation processes and principle thereof are further
explained.
[0025] One aspect of the embodiments of the present invention
provides a multifunctional high-strength composite fabric coating
comprising a resin, a reinforcing agent with a reactive group on
its surface, a bifunctional dispersing agent, a leveling agent, a
film forming agent, a softening agent, an antibacterial agent, and
a solvent. A mass proportion of the resin, the reinforcing agent
with the reactive group on its surface, the bifunctional dispersing
agent, the leveling agent, the film forming agent, the softening
agent, and the antibacterial agent is
1:0.01-0.6:0.02-0.5:0.02-0.4:0.01-0.3:0.01-0.4:0.01-0.3, and a mass
proportion of the solvent and the resin is 100:0.01-50. In some
embodiments, a mass proportion of the resin, the reinforcing agent
with the reactive group on its surface, the bifunctional dispersing
agent, the leveling agent, the film forming agent, the softening
agent, and the antibacterial agent is
1:0.01-0.3:0.02-0.4:0.03-0.3:0.01-0.2:0.01-0.4:0.01-0.3,
particularly preferred as
1:0.01-0.3:0.05-0.4:0.05-0.3:0.01-0.2:0.02-0.3:0.01-0.2. When such
proportion is adopted, the prepared fabric coating agent has better
fluidity, and a corresponding coating has extremely high strength
and more durable effect.
[0026] In some embodiments, a mass proportion of the solvent and
the resin is 100:0.01-50, particularly preferred as 100:0.05-40.
When such proportion is adopted, the prepared fabric coating has
better comprehensive properties.
[0027] In some embodiments, the reinforcing agent includes
nanoparticles, in which each of the nanoparticle has a particle
size of 1-200 nm.
[0028] Preferably, the nanoparticles include one or more
combinations of silicon dioxide, talc, mica powder, aluminum
nitride, nano ceramic, titanium boride, titanium carbide, hexagonal
boron nitride, black gemstone, nano-silicon carbide, tungsten
carbide, titanium nitride, and aluminum oxide, but is not limited
thereto.
[0029] Preferably, the reactive group includes one or more
combinations of --OH, --NH.sub.3, --COOH, and epoxy, but is not
limited thereto.
[0030] In some embodiments, the resin includes one or more
combinations of epoxy resin, phenolic resin, polyurethane resin,
cyanate ester resin, bismaleimide resin, polyimide resin, organic
silicone resin, and acrylic resin, but is not limited thereto.
[0031] Preferably, the content of the resin in the multifunctional
high-strength composite fabric coating is 0.01-50 wt %.
[0032] In some embodiments, the bifunctional dispersing agent
includes one or more combinations of triethylhexyl phosphoric acid,
sodium dodecyl sulfate, polyacrylamide, Gur gum, fatty acid
polyethylene glycol ester, sodium tripolyphosphate, sodium
hexametaphosphate, and sodium dodecylbenzene sulfonate, but is not
limited thereto. The bifunctional dispersing agent not only
provides a dispersing function but also provides functions of
reducing surface tension of the coating, such that the
multifunctional high-strength composite fabric coating can more
effectively penetrate in between yarns and into micropores of
fibers, thereby greatly improving the strength of the fabric.
[0033] In some embodiments, the leveling agent includes one or more
combinations of polyacrylic acid, butyl cellulose, isophorone,
octyl triethoxysilane, dodecyl triethoxysilane, isooctyl
triethoxysilane, .gamma.-chloropropyl triethoxysilane,
.gamma.-mercaptopropyl triethoxysilane, and poly dim ethyl
siloxane, but is not limited thereto.
[0034] In some embodiments, the film forming agent includes one or
more combinations of glycol monopropyl ether, glycol monobutyl
ether, dodecanol alcohol ester, chitosan, acrylic resin,
polyvinylamine, and dimethyldiallylammonium chloride, but is not
limited thereto.
[0035] In some embodiments, the softening agent includes one or
more combinations of pentaerythritol fatty acid ester, glycerin
monofatty acid ester, sorbitan fatty acid ester, fatty acid
ethanolamide, hydroxymethyl fatty amide, stearic acid
triethanolamine ammonium acetate, N--N-diethylethylenediamine,
stearylamine hydrochloride, but is not limited thereto.
[0036] In some embodiments, the antibacterial agent includes one or
more combinations of nano zinc oxide, nano copper oxide,
dihydroamine phosphate, lithium carbonate and nano titanium oxide,
but is not limited thereto.
[0037] In some embodiments, the solvent includes one or more
combinations of deionized water, alcohol, fatty ketone, fatty
hydrocarbon and aromatic hydrocarbon, but is not limited
thereto.
[0038] Preferably, the alcohol includes one or more combinations of
ethanol, isopropanol, isoamyl alcohol, n-butanol and glycerol, but
is not limited thereto.
[0039] Preferably, the fatty ketone includes acetone and/or
butanone, but is not limited thereto.
[0040] Preferably, the fatty hydrocarbon includes one or more
combinations of n-pentane, n-hexane, n-heptane, n-octane and
cyclohexane, but is not limited thereto.
[0041] Preferably, the aromatic hydrocarbon includes toluene and/or
xylene, but is not limited thereto.
[0042] Preferably, the coating agent further includes pigment in
lwt %-2.5 wt %. The pigment can be commercially available.
[0043] An another aspect of the embodiments of the present
invention provides a method for preparing the afore-described
multifunctional high-strength composite fabric coating agent, which
includes:
[0044] A reinforcing agent, a synergist, and a solvent are mixed
uniformly in a mass proportion of 1:0.025-2.5:20-50 and are reacted
at 20-100.degree. C. for 1-10 hours to obtain a reinforcing agent
with a reactive group on its surface.
[0045] A resin and a solvent are mixed uniformly in a mass
proportion of 0.01-50:100 to form a uniform and stable dispersion
solution.
[0046] The reinforcing agent with the reactive group on its
surface, a bifunctional dispersing agent, a leveling agent, a film
forming agent, a softening agent, and an antibacterial agent are
uniformly dispersed in the dispersion solution for 1-30 minutes
according to a mass proportion of
0.01-0.6:0.02-0.5:0.02-0.4:0.01-0.3:0.01-0.4:0.01-0.3, so as to
obtain a multifunctional high-strength composite fabric
coating.
[0047] In some embodiments, the preparation method includes: adding
a reinforcing agent, a synergist, and a solvent in a mass
proportion of 1:0.025-2.5:20-50 to a reactor and reacting for 1-10
hours at 20-100.degree. C. After reaction products are cooled,
solids therein are separated (e.g. through filtration under reduced
pressure or the like) and are dried at room temperature for 10-30
hours, Then, milling and screening are performed to obtain a
reinforcing agent with a reactive group on its surface.
[0048] In some embodiments, the synergist includes a silane
coupling agent and/or a polymer compound. Due to performing a
surface modification treatment to the reinforcing agent, the
reinforcing agent has active functional groups of --OH, --NH.sub.3,
and the like, and thus binding force between the coating and the
fabric is enhanced, thereby greatly improving strength of the
coating as compared with the prior art.
[0049] Preferably, the silane coupling agent includes one or more
combinations of 3-aminopropyltrimethoxysilane,
.gamma.-(2,3-epoxypropoxy) propyltriethoxysilane,
.gamma.-methylpropenyloxypropyltrimethoxysilane,
N--(.beta.-aminoethyl)-.gamma.-aminopropyltriethoxysilane,
anilinoisophorone, and .gamma.-aminopropylmethyldiethoxysilane;
preferably, the polymer compound includes one or more combinations
of polyvinyl alcohol, polyamide, polyacrylic acid,
polymethylacrylic acid, polymaleic anhydride and copolymer of
fumaric acid(trans-butenedioic acid)-propylene sulfonic acid, but
is not limited thereto.
[0050] In some embodiments, the preparation method further
includes: mixing a resin and a solvent uniformly in a mass
proportion of 0.01-50:100, and stirring for 1-60 minutes at a speed
of 200-2000 rpm, so as to obtain a uniform and stable dispersion
solution.
[0051] In some embodiments, the preparation method further
includes: adding a reinforcing agent with a reactive group on its
surface, a leveling agent, a bifunctional dispersing agent, a
film-forming agent, a softening agent, and an antibacterial agent
into the dispersion solution, and then stirring in a high-speed for
1-30 minutes to obtain the stable dispersion solution, namely as
the multifunctional high-strength composite fabric coating
agent.
[0052] Further, in some of more specific embodiments, the
preparation method includes:
[0053] A reinforcing agent, a synergist, and a solvent are added
into a reactor in a mass proportion of 1:0.025-1.5:20-50 and are
reacted for 1-10 hours at 20-100.degree. C. After reaction products
are cooled, the reaction products are filtrated under reduced
pressure and are dried at room temperature for 10-30 hours. Then,
milling and screening are performed to obtain a reinforcing agent
with active functional groups of --OH, --NH.sub.3, and the like on
its surface.
[0054] (2) A resin and a solvent are mixed at a weight ratio of
0.01-50:100 to form a mixture, and then the mixture is stirred for
1-60 minutes in a range of 200-2000 rpm by magnetic stirring.
[0055] (3) The reinforcing agent with the active functional groups
on its surface, a bifunctional dispersing agent, a leveling agent,
a film forming agent, a softening agent, and an antibacterial agent
are added into the dispersion solution prepared in the step (2) in
a proportion of
1:0.01-0.6:0.02-0.5:0.02-0.4:0.01-0.3:0.01-0.4:0.01-0.3 to the
resin, and then stripping at a high-speed for 1-30 minutes is
performed to obtain the stable dispersion solution, namely as the
multifunctional high-strength composite fabric coating agent.
[0056] An another aspect of the embodiments of the present
invention further provides a multifunctional high-strength
composite fabric coating formed from the afore-described
multifunctional high-strength composite fabric coating solution.
Preferably, the thickness of the coating is in a range of 5-10
.mu.m.
[0057] An another aspect of the embodiments of the present
invention further provides a modified fabric including a fabric
base, in which a surface of the fabric base is covered with the
multifunctional high-strength composite fabric coating.
[0058] Preferably, the tensile breaking strength of the fabric is
more than 80% higher than that of the fabric base (i.e. the fabric
before the modification), the tearing strength is more than 80%
higher than that of the fabric base, and the bursting strength is
more than 80% higher than that of the fabric base. Moreover, the
modified fabric still maintains the soft and air-permeability as
the fabric before the modification, and the modified fabric also
has good waterproof-and-moisture-permeability performance and
antibacterial performance.
[0059] Further, the fabric base includes any one of knitted fabric,
woven fabric, non-woven fabric, and the like; preferably, the woven
fabric includes plain, twill, satin fabric, or the like, but is not
limited thereto.
[0060] Further, the fabric base includes any one of natural fiber
fabric, chemical fiber fabric, blended fabrics of them, and the
like; preferably, the natural fiber fabric includes any one or
blended fabric combinations of cotton fabric, hemp fabric, wool
fabric and silk fabric; preferably, the chemical fiber fabric
includes any one or blended fabric combinations of polyester
fabric, acrylic fabric, nylon fabric, and the like, but is not
limited thereto.
[0061] An another aspect of the embodiments of the present
invention further provides a method for improving performance of a
fabric, which includes: covering a fabric surface with a
multifunctional high-strength composite fabric coating agent to
form a multifunctional high-strength composite fabric coating.
[0062] Preferably, the fabric surface can be covered with the
multifunctional high-strength composite fabric coating agent at
least by any one approach of knife coating, roll coating,
calendering, and dipping.
[0063] The multifunctional high-strength composite fabric coating
agent provided by the present invention is not only easy to apply,
fast to react and stabilize, but also basically suitable for a
fabric surface of any material. Moreover, a fabric after knife
coating, roll coating, calendering, or dipping has high tensile
breaking strength, excellent bursting strength performance,
excellent tearing strength performance, good
waterproof-and-moisture-permeability performance and antibacterial
performance, and high adhesion, and even when being repeatedly
knife coated, roll coated, calendared, or dipped; the preparation
method thereof is not only technologically mature and low in
production cost, but also suitable for large-scale application.
[0064] The technical arrangements of the present invention are
further explained in combination with the drawings and some
embodiments, but the present invention is not limited to. However,
it should be understood that within the scope of the present
invention, the above technical features of the present invention
and the technical features described in the following (as being
within embodiments) can be combined with each other to form a new
or preferred technical arrangements. Herein, in view of the space
limitations, it is no longer one by one to describe.
[0065] In the testing methods described as the following
embodiments, if there is no special description, the methods are
conventional; for the reagents and materials, if there is no
special description, they can be obtained commercially.
Embodiment 1
[0066] (1) 9 g nano tungsten carbide (with particle size about 200
nm), 22.5 g 3-aminopropyltrimethoxysilane and 450 g ethanol are
added to a reactor to react at 100.degree. C. for 10 hours. After
reaction products are cooled, the products are filtrated under
reduced pressure and are dried at room temperature for 30
hours.
[0067] Then, milling and screening are performed to finally obtain
nano tungsten carbide with a large amount of --NH.sub.3 on its
surface.
[0068] (2) 15 g polyurethane resin and 30 g xylene are respectively
weighed in a 250 ml beaker, and a magnetic stirrer is used to stir
them in 1500 rpm for 40 minutes.
[0069] (3) 9 g nano tungsten carbide with a large amount of
--NH.sub.3 on its surface, 7.5 g isophorone, 6 g sodium dodecyl
sulfate, 4.5 g dodecyl alcohol ester, 6 g pentaerythritol fatty
acid ester, 4.5 g nano zinc oxide are added to the dispersion
solution prepared in the step (2), and then a magnetic stirrer is
used to stir them in 2000 rpm for 20 minutes to obtain the stable
dispersion solution, namely as the multifunctional high-strength
composite fabric coating agent. In the present step, trace
pigments, such as red, green pigments or the like, can further be
added to the coating agent.
[0070] (4) A cleaned cotton plain fabric is taken and an approach
of knife coating, roll coating, calendering, or dipping is
performed to make the coating agent adhere to the fabric surface.
After half an hour, the fabric is put into an oven at 100.degree.
C. for drying for 30 minutes, so as to form a coating on the fabric
surface. FIGS. 1A-FIG. 1C show coating effects of pure color,
green, and red coating agents on white cotton cloths,
respectively.
[0071] (5) After the testing, the tensile breaking strength of the
fabric with the coating which is obtained from the present
embodiment is 90% higher than that of the original fabric, the
bursting strength is 95% higher than that of the original fabric,
the tearing strength is 90% higher than that of the original
fabric. The fabric is soft and has good antibacterial performance
as well as waterproof-and-moisture-permeability performance.
[0072] Wear resistance and contact angle of the fabric with the
coating of the present invention are tested. Times of the wear
resistance are determined by a Taber-type fabric abrasion tester,
and the contact angle is determined by an AS100 droplet shape
analyzer. Cotton and polyester materials are taken as examples, the
wear resistance of the uncoated cotton is 20 times, and the wear
rate is 0.8%. During the testing, the coating amount to the cotton
is 35 g/m.sup.2, and the coating amount to the polyester is 15
g/m.sup.2. The wear resistance of the cotton coated by an approach
of the present invention is 2094 times, and the wear rate is 1.2%
at 1500 times. The wear resistant times of the polyester is 4334
times, and the wear rate is 1.2% at 3000 times. The contact angle
of the uncoated cotton is 0.degree.; the contact angle of the
uncoated polyester is 90.2.degree., the contact angle of the cotton
coated by an approach of the present invention is 120.7.degree.,
and the contact angle of the polyester coated by an approach of the
present invention is 135.4.degree..
Embodiment 2
[0073] (1) 2 g black gemstone (with particle size about 50 nm), 0.5
g polyacrylic acid and 90 g deionized water are added to a reactor
to react at 60.degree. C. for 2 hours. After reaction products are
cooled, the products are filtrated under reduced pressure and are
dried at room temperature for 14 hours. Then, milling and screening
are performed to finally obtain black gemstone with a large amount
of --COOH on its surface.
[0074] (2) 20 g polyacrylic resin, 50 g n-butanol, and 50 g xylene
are respectively weighed in a 250 ml beaker, and a magnetic stirrer
is used to stir them in 1500 rpm for 45 minutes.
[0075] (3) 2 g black gemstone with a large amount of --COOH on its
surface, 0.3 g octyl triethoxysilane, 0.20 g polyacrylamide, 0.15 g
ethylene glycol monopropyl ether, 3 g triethanolamine stearate
ammonium acetate, 1 g nano copper oxide are added to the dispersion
solution prepared in the step (2), and then a magnetic stirrer is
used to stir them in 2000 rpm for 20 minutes to obtain the stable
dispersion solution, namely as the multifunctional high-strength
composite fabric coating agent. In the present step, trace
pigments, such as red, green pigments, or the like, can further be
added to the coating agent.
[0076] (4) A cleaned polyester twill fabric is taken and an
approach of knife coating, roll coating, calendering, or dipping is
performed to make the coating agent adhere to the fabric surface.
After 40 minutes, the fabric is put into an oven at 90.degree. C.
for drying for 30 minutes, so as to form a coating. FIG. 2 shows a
coating effect of a brown black coating agent on a pink cotton
cloth.
[0077] (5) After testing, the tensile breaking strength of the
fabric with the coating which is obtained from the present
embodiment is 90% higher than that of the original fabric, the
bursting strength is 90% higher than that of the original fabric,
the tearing strength is 90% higher than that of the original
fabric. The fabric is soft and has good antibacterial performance
as well as waterproof-and-moisture-permeability performance.
[0078] Wear resistance and contact angle of the fabric with the
coating of the present invention are tested. Times of the wear
resistance are determined by a Taber-type fabric abrasion tester,
and the contact angle is determined by an AS100 droplet shape
analyzer. Cotton and polyester materials are taken as examples, the
wear resistance of the uncoated cotton is 20 times, and the wear
rate is 0.8%. During the test, the coating amount to the cotton is
35 g/m.sup.2, and the coating amount to the polyester is 15
g/m.sup.2. The wear resistance of the cotton coated by an approach
of the present invention is 1992 times, and the wear rate is 1.4%
at 1500 times. The wear resistant times of the polyester is 4256
times, and the wear rate is 1.3% at 3000 times. The contact angle
of the uncoated cotton is 0.degree.; the contact angle of the
uncoated polyester is 90.2.degree., the contact angle of the cotton
coated by an approach of the present invention is 113.4.degree.,
and the contact angle of the polyester coated by an approach of the
present invention is 128.6.degree..
Embodiment 3
[0079] (1) 4 g hexagonal boron nitride (with particle size about 70
nm), 0.5 g N-(.beta.-aminoethyl)-.gamma.-aminopropyl
triethoxysilane, 0.5 g polyvinyl alcohol, and 90 g deionized water
are added to a reactor to react at 50.degree. C. for 4 hours. After
reaction products are cooled, the products are filtrated under
reduced pressure and are dried at room temperature for 22 hours.
Then, milling and screening are performed to finally obtain
hexagonal boron nitride with a large amount of --OH and --NH.sub.3
on its surface.
[0080] (2) 25 g of phenolic resin, 20 g of ethanol, and 80 g of
xylene are respectively weighed in a 250 ml beaker, and a magnetic
stirrer is used to stir them in 1800 rpm for 45 mins.
[0081] (3) 3 g hexagonal boron nitride with a large amount of --OH
and --NH.sub.3 on its surface, 0.5 g octyltriethoxysilane, 0.15 g
sodium twelve alkyl sulfate, 0.20 g glycol monobutyl ether, 3 g
fatty acid ethanolamide, and 2 g nano zinc oxide are added to the
dispersion solution prepared in the step (2), and then a magnetic
stirrer is used to stir them in 2000 rpm for 20 minutes to obtain
the stable dispersion solution, namely as the multifunctional
high-strength composite fabric coating agent. In the present step,
trace pigments, such as red, green pigments or the like, can
further be added to the coating agent.
[0082] (4) A cleaned fabric is taken and an approach of knife
coating, roll coating, calendering, or dipping is performed to make
the coating agent adhere to the fabric surface. After 30 minutes,
the fabric is put into an oven at 120.degree. C. for drying for 60
minutes, so as to form a coating. FIG. 3 shows a coating effect of
a purple red coating agent on a pink cotton cloth
[0083] (5) After testing, the tensile breaking strength of the
fabric with the coating which is obtained from the present
embodiment is 85% higher than that of the original fabric, the
bursting strength is 80% higher than that of the original fabric,
the tearing strength is 80% higher than that of the original
fabric. The fabric is slightly stiff and has antibacterial
performance as well as waterproof-and-moisture-permeability
performance.
[0084] Wear resistance and contact angle of the fabric with the
coating of the present invention are tested. Times of the wear
resistance are determined by a Taber-type fabric abrasion tester,
and the contact angle is determined by an AS100 droplet shape
analyzer. Cotton and polyester materials are taken as examples, the
wear resistance of the uncoated cotton is 20 times, and the wear
rate is 0.8%. During the test, the coating amount to the cotton is
35 g/m.sup.2, and the coating amount to the polyester is 15
g/m.sup.2. The wear resistance of the cotton coated by an approach
of the present invention is 1801 times, and the wear rate is 1.7%
at 1500 times. The wear resistant times of the polyester is 3879
times, and the wear rate is 1.6% at 3000 times. The contact angle
of the uncoated cotton is 0.degree.; the contact angle of the
uncoated polyester is 90.2.degree., the contact angle of the cotton
coated by an approach of the present invention is 102.6.degree.,
and the contact angle of the polyester coated by an approach of the
present invention is 110.7.degree..
Embodiment 4
[0085] (1) 0.6 g titanium nitride (with particle size about 100
nm), 0.6 g black gemstone (with particle size about 50 nm), 0.5 g
.gamma.-(2,3-epoxypropoxy) propyltriethoxysilane and 90 g of
n-heptane are added to a reactor to react at 70.degree. C. for 6
hours. After reaction products are cooled, the products are
filtrated under reduced pressure and are dried at room temperature
for 18 hours. Then, milling and screening are performed to finally
obtain titanium nitride and black gemstone with a large amount of
epoxy groups on their surfaces.
[0086] (2) 25 g polyurethane resin, 50 g n-butanol, and 50 g
n-octane are respectively weighed in a 250 ml beaker, and a
magnetic stirrer is used to stir them in 1600 rpm for 45
minutes.
[0087] (3) 0.60 g titanium nitride with a large amount of epoxy
groups on its surface, 0.60 g black gemstone with a large amount of
epoxy groups on its surface, 0.30 g .gamma.-mercaptopropyl
triethoxysilane, 0.3 g sodium dodecyl sulfate, 0.15 g acrylic
resin, 4 g hydroxymethylfatty amide, and 3 g nano zinc oxide are
added to the dispersion solution prepared in the step (2), and then
a magnetic stirrer is used to stir them in 2000 rpm for 20 minutes
to obtain the stable dispersion solution, namely as the
multifunctional high-strength composite fabric coating agent.
[0088] (4) A cleaned corduroy fabric is taken and an approach of
knife coating, roll coating, calendering, or dipping is performed
to make the coating agent adhere to the fabric surface. After 40
minutes, the fabric is put into an oven at 105.degree. C. for
drying for 30 minutes, so as to form a coating.
[0089] (5) After testing, the tensile breaking strength of the
fabric with the coating which is obtained from the present
embodiment is 90% higher than that of the original fabric, the
bursting strength is 95% higher than that of the original fabric,
the tearing strength is 90% higher than that of the original
fabric. The fabric is soft and has good antibacterial performance
as well as waterproof-and-moisture-permeability performance.
[0090] Wear resistance and contact angle of the fabric with the
coating of the present invention are tested. Times of the wear
resistance are determined by a Taber-type fabric abrasion tester,
and the contact angle is determined by an AS100 droplet shape
analyzer. Cotton and polyester materials are taken as examples, the
wear resistance of the uncoated cotton is 20 times, and the wear
rate is 0.8%. During the test, the coating amount to the cotton is
35 g/m.sup.2, and the coating amount to the polyester is 15
g/m.sup.2. The wear resistance of the cotton coated by an approach
of the present invention is 2278 times, and the wear rate is 1.0%
at 1500 times. The wear resistant times of the polyester is 4567
times, and the wear rate is 1.3% at 3000 times. The contact angle
of the uncoated cotton is 0.degree.; the contact angle of the
uncoated polyester is 90.2.degree., the contact angle of the cotton
coated by an approach of the present invention is 114.8.degree.,
and the contact angle of the polyester coated by an approach of the
present invention is 125.9.degree..
Embodiment 5
[0091] (1) 2.2 g silicon carbide (with particle size of about 90
nm), 0.5 g N--(.beta.-aminoethyl)-.gamma.-aminopropyl
triethoxysilane, and 90 g n-heptane are added to a reactor to react
at 60.degree. C. for 7 hours. After reaction products are cooled,
the products are filtrated under reduced pressure and are dried at
room temperature for 13 hours. Then, milling and screening are
performed to finally obtain silicon carbide with a large amount of
--NH.sub.3 on its surface.
[0092] (2) 17 g polyacrylic acid resin, 50 g n-hexanen, and 50 g
xylene are respectively weighed in a 250 ml beaker, and a magnetic
stirrer is used to stir them in 1600 rpm for 40 minutes.
[0093] (3) 2.20 g silicon carbide with a large amount of --NH.sub.3
on its surface, 0.20 g isophorone, 0.10 g sodium dodecyl sulfate,
0.30 g dodecyl alcohol ester, 2 g of sorbitan fatty acid ester, and
4 g lithium carbonate are added to the dispersion solution prepared
in the step (2), and then a magnetic stirrer is used to stir them
in 2000 rpm for 20 minutes to obtain the stable dispersion
solution, namely as the multifunctional high-strength composite
fabric coating agent.
[0094] (4) A cleaned cashmere/cotton blended fabric is taken and an
approach of knife coating, roll coating, calendering, or dipping is
performed to make the coating agent adhere to the fabric surface.
After 50 minutes, the fabric is put into an oven at 90.degree. C.
for drying for 50 minutes, so as to form a coating.
[0095] (5) After testing, the tensile breaking strength of the
fabric with the coating which is obtained from the present
embodiment is 100% higher than that of the original fabric, the
bursting strength is 95% higher than that of the original fabric,
the tearing strength is 100% higher than that of the original
fabric. The fabric is soft and has good antibacterial performance
as well as waterproof-and-moisture-permeability performance.
[0096] Wear resistance and contact angle of the fabric with the
coating of the present invention are tested. Times of the wear
resistance are determined by a Taber-type fabric abrasion tester,
and the contact angle is determined by an AS100 droplet shape
analyzer. Cotton and polyester materials are taken as examples, the
wear resistance of the uncoated cotton is 20 times, and the wear
rate is 0.8%. During the test, the coating amount to the cotton is
35 g/m.sup.2, and the coating amount to the polyester is 15
g/m.sup.2. The wear resistance of the cotton coated by an approach
of the present invention is 2485 times, and the wear rate is 0.9%
at 1500 times. The wear resistant times of the polyester is 4690
times, and the wear rate is 1.1% at 3000 times. The contact angle
of the uncoated cotton is 0.degree.; the contact angle of the
uncoated polyester is 90.2.degree., the contact angle of the cotton
coated by an approach of the present invention is 130.6.degree.,
and the contact angle of the polyester coated by an approach of the
present invention is 130.4.degree..
Embodiment 6
[0097] (1) 2.1 g titanium carbide (with particle size about 50 nm),
2 g titanium borate (with particle size about 50 nm), 0.5 g fumaric
acid, 0.5 g polyamide, and 90 g of deionized water are added to a
reactor to react at 80.degree. C. for 7 hours. After reaction
products are cooled, the products are filtrated under reduced
pressure and are dried at room temperature for 16 hours. Then,
milling and screening are performed to finally obtain titanium
carbide and titanium borate with a large amount of --NH.sub.3 and
--COOH on their surfaces.
[0098] (2) 20 g cyanate resin, 45 g cyclohexane, and 55 g xylene
are respectively weighed in a 250 ml beaker, and a magnetic stirrer
is used to stir them in 1500 rpm for 60 minutes to obtain a well
dispersed solution.
[0099] (3) 2.1 g titanium carbide with a large amount of --NH.sub.3
and --COOH on its surface, 2 g titanium borate with a large amount
of --NH.sub.3 and --COOH on its surface, 0.25 g isophorone, 0.25 g
sodium dodecyl sulfate, 0.20 g dodecyl alcohol ester, 3 g
stearamide hydrochloride, and 2 g nano copper oxide are added to
the dispersion solution prepared in the step (2), and then a
magnetic stirrer is used to stir them in 2000 rpm for 20 minutes to
obtain the stable dispersion solution, namely as the
multifunctional high-strength composite fabric coating agent.
[0100] (4) A cleaned wool/silk blended fabric is taken and an
approach of knife coating, roll coating, calendering, or dipping is
performed to make the coating agent adhere to the fabric surface.
After 30 minutes, the fabric is put into an oven at 80.degree. C.
for drying for 30 minutes, so as to form a coating.
[0101] (5) After testing, the tensile breaking strength of the
fabric with the coating which is obtained from the present
embodiment is 80% higher than that of the original fabric, the
bursting strength is 85% higher than that of the original fabric,
the tearing strength is 90% higher than that of the original
fabric. The fabric is soft and has good antibacterial performance
as well as waterproof-and-moisture-permeability performance.
[0102] Wear resistance and contact angle of the fabric with the
coating of the present invention are tested. Times of the wear
resistance are determined by a Taber-type fabric abrasion tester,
and the contact angle is determined by an AS100 droplet shape
analyzer. Cotton and polyester materials are taken as examples, the
wear resistance of the uncoated cotton is 20 times, and the wear
rate is 0.8%. During the test, the coating amount to the cotton is
35 g/m.sup.2, and the coating amount to the polyester is 15
g/m.sup.2. The wear resistance of the cotton coated by an approach
of the present invention is 2109 times, and the wear rate is 1.1%
at 1500 times. The wear resistant times of the polyester is 4205
times, and the wear rate is 1.2% at 3000 times. The contact angle
of the uncoated cotton is 0.degree.; the contact angle of the
uncoated polyester is 90.2.degree., the contact angle of the cotton
coated by an approach of the present invention is 119.2.degree.,
and the contact angle of the polyester coated by an approach of the
present invention is 126.3.degree..
Embodiment 7
[0103] (1) 1 g nano silicon carbide (with particle size about 110
nm), 0.5 g polyvinyl alcohol, 0.5 g
N-(.beta.-aminoethyl)-.gamma.-aminopropyl triethoxysilane, and 90 g
deionized water are added to a reactor to react at 40.degree. C.
for 2 hours. After reaction products are cooled, the products are
filtrated under reduced pressure and are dried at room temperature
for 12 hours. Then, milling and screening are performed to finally
obtain nano silicon carbide with a large amount of --NH.sub.3 and
--COOH on its surface.
[0104] (2) 25 g phenolic resin, 60 g n-butanol, and 40 g of xylene
are respectively weighed in a 250 ml beaker, and a magnetic stirrer
is used to stir them in 1600 rpm for 40 minutes.
[0105] (3) 1 g nano silicon carbide with a large amount of
--NH.sub.3 and --COOH on its surface, 0.20 g .gamma.-mercaptopropyl
triethoxysilane, 0.20 g sodium dodecyl sulfate, 0.30 g glycol
monobutyl ether, 0.5 g fatty acid ethanolamide, and 0.8 g nano
titanium oxide are added to the dispersion solution prepared in the
step (2), and then a magnetic stirrer is used to stir them in 2000
rpm for 20 minutes to obtain the stable dispersion solution, namely
as the multifunctional high-strength composite fabric coating
agent.
[0106] (4) A cleaned acrylic twill fabric is taken and an approach
of knife coating, roll coating, calendering, or dipping is
performed to make the coating agent adhere to the fabric surface.
After 40 minutes, the fabric is put into an oven at 60.degree. C.
for drying for 30 minutes, so as to form a coating.
[0107] (5) After testing, the tensile breaking strength of the
fabric with the coating which is obtained from the present
embodiment is 100% higher than that of the original fabric, the
bursting strength is 85% higher than that of the original fabric,
the tearing strength is 95% higher than that of the original
fabric. The fabric is soft and has certain antibacterial
performance as well as waterproof-and-moisture-permeability
performance.
[0108] Wear resistance and contact angle of the fabric with the
coating of the present invention are tested. Times of the wear
resistance are determined by a Taber-type fabric abrasion tester,
and the contact angle is determined by an AS100 droplet shape
analyzer. Cotton and polyester materials are taken as examples, the
wear resistance of the uncoated cotton is 20 times, and the wear
rate is 0.8%. During the test, the coating amount to the cotton is
35 g/m.sup.2, and the coating amount to the polyester is 15
g/m.sup.2. The wear resistance of the cotton coated by an approach
of the present invention is 2203 times, and the wear rate is 1.1%
at 1500 times. The wear resistant times of the polyester is 4193
times, and the wear rate is 1.2% at 3000 times. The contact angle
of the uncoated cotton is 0.degree.; the contact angle of the
uncoated polyester is 90.2.degree., the contact angle of the cotton
coated by an approach of the present invention is 118.5.degree.,
and the contact angle of the polyester coated by an approach of the
present invention is 125.9.degree..
Reference Example 1
[0109] (1) 10 g polyacrylic resin, 10 g organosilicon resin, 50 g
n-butanol, and 50 g xyleneare are respectively weighed in a 250 ml
beaker, and a magnetic stirrer is used to stir them in 1500 rpm for
45 minutes;
[0110] (2) 2 g black gemstone (with particle size of about 50 nm),
0.3 g octyl triethoxysilane, 0.20 g polyacrylamide, 0.15 g ethylene
glycol monopropyl ether, 1.8 g N--N-diethylenediamine, and 2 g nano
zinc oxide are added to the dispersion solution prepared in the
step (1), and then a magnetic stirrer is used to stir them in 2000
rpm for 20 minutes to obtain the stable dispersion solution, namely
as the fabric coating agent.
[0111] (3) A cleaned polyester plain fabric is taken and an
approach of knife coating, roll coating, calendering, or dipping is
performed to make the coating agent adhere to the fabric surface.
After 40 minutes, the fabric is put into an oven at 90.degree. C.
for drying for 30 minutes, so as to form a coating.
[0112] (4) After testing, the tensile breaking strength of the
fabric with the coating which is obtained from the present
reference is 30% higher than that of the original fabric, the
bursting strength is 35% higher than that of the original fabric,
the tearing strength is 40% higher than that of the original
fabric. The fabric is hard and has weak antibacterial performance
as well as waterproof-and-moisture-permeability performance.
[0113] Wear resistance and contact angle of the fabric with the
coating of the present invention are tested. Times of the wear
resistance are determined by a Taber-type fabric abrasion tester,
and the contact angle is determined by an AS100 droplet shape
analyzer. Cotton and polyester materials are taken as examples, the
wear resistance of the uncoated cotton is 20 times, and the wear
rate is 0.8%. During the test, the coating amount to the cotton is
35 g/m.sup.2, and the coating amount to the polyester is 15
g/m.sup.2. The wear resistance of the cotton coated by an approach
of the present invention is 1003 times, and the wear rate is 5.5%
at 1500 times. The wear resistant times of the polyester is 1193
times, and the wear rate is 6.2% at 3000 times. The contact angle
of the uncoated cotton is 0.degree.; the contact angle of the
uncoated polyester is 90.2.degree., the contact angle of the cotton
coated by an approach of the present invention is 45.7.degree., and
the contact angle of the polyester coated by an approach of the
present invention is 74.1.degree..
Reference Example 2
[0114] (1) 15 g phenolic resin, 10 g epoxy resin, 20 g ethanol, and
80 g xylene respectively are weighed in a 250 ml beaker, and a
magnetic stirrer is used to stir them in 1800 rpm for 45
minutes;
[0115] (2) 0.5 g octyl triethoxysilane, 0.15 g sodium dodecyl
sulfate, 0.20 g glycol monobutyl ether, 1.5 g fatty acid
ethanolamide, and 2.8 g nano titanium oxide are added to the
dispersion solution prepared in the step (1), and then a magnetic
stirrer is used to stir them in 2000 rpm for 20 minutes to obtain
the stable dispersion solution, namely as the fabric coating
agent.
[0116] (3) A cleaned polyester-cotton blend twill fabric is taken
and an approach of knife coating, roll coating, calendering, or
dipping is performed to make the coating agent adhere to the fabric
surface. After 30 minutes, the fabric is put into an oven at
120.degree. C. for drying for 60 minutes, so as to form a
coating.
[0117] (4) After testing, the tensile breaking strength of the
fabric with the coating which is obtained from the present
reference is 40% higher than that of the original fabric, the
bursting strength is 55% higher than that of the original fabric,
the tearing strength is 30% higher than that of the original
fabric. The fabric is soft and has good antibacterial performance
as well as waterproof-and-moisture-permeability performance.
[0118] Wear resistance and contact angle of the fabric with the
coating of the present invention are tested. Times of the wear
resistance are determined by a Taber-type fabric abrasion tester,
and the contact angle is determined by an AS100 droplet shape
analyzer. Cotton and polyester materials are taken as examples, the
wear resistance of the uncoated cotton is 20 times, and the wear
rate is 0.8%. During the test, the coating amount to the cotton is
35 g/m.sup.2, and the coating amount to the polyester is 15
g/m.sup.2. The wear resistance of the cotton coated by an approach
of the present invention is 1128 times, and the wear rate is 4.9%
at 1500 times. The wear resistant times of the polyester is 1395
times, and the wear rate is 5.7% at 3000 times. The contact angle
of the uncoated cotton is 0.degree.; the contact angle of the
uncoated polyester is 90.2.degree., the contact angle of the cotton
coated by an approach of the present invention is 52.1.degree., and
the contact angle of the polyester coated by an approach of the
present invention is 80.3.degree..
Reference Example 3
[0119] (1) 2.2 g titanium carbide (with particle size of about 90
nm), 0.5 g N--(.beta.-aminoethyl)-.gamma.-aminopropyl
triethoxysilane, and 90 g n-heptane are added to a reactor to react
at 60.degree. C. for 7 hours. After reaction products are cooled,
the products are filtrated under reduced pressure and are dried at
room temperature for 13 hours. Then, milling and screening are
performed to finally obtain titanium carbide with a large amount of
--NH.sub.3 on its surface.
[0120] (2) 10 g polyacrylic acid resin, 7 g epoxy resin, 50 g
n-hexane, and 50 g of xylene are respectively weighed in a 250 ml
beaker, and a magnetic stirrer is used to stir them in 1600 rpm for
40 minutes.
[0121] (3) 2.20 g titanium carbide, 0.20 g isophorone, 0.10 g
sodium dodecyl sulfate, 2 g sorbitan fatty acid ester, and 2 g
lithium carbonate are added to the dispersion solution prepared in
the step (2), and then a magnetic stirrer is used to stir them in
2000 rpm for 20 minutes to obtain the stable dispersion solution,
namely as the fabric coating agent.
[0122] (4) A cleaned nylon twill fabric is taken and an approach of
knife coating, roll coating, calendering, or dipping is performed
to make the coating agent adhere to the fabric surface. After 50
minutes, the fabric is put into an oven at 90.degree. C. for drying
for 50 minutes, so as to form a coating.
[0123] (5) After testing, the tensile breaking strength of the
fabric with the coating which is obtained from the present
embodiment is 40% higher than that of the original fabric, the
bursting strength is 45% higher than that of the original fabric,
the tearing strength is 50% higher than that of the original
fabric. The fabric is soft and has certain antibacterial
performance as well as waterproof-and-moisture-permeability
performance.
[0124] Wear resistance and contact angle of the fabric with the
coating of the present invention are tested. Times of the wear
resistance are determined by a Taber-type fabric abrasion tester,
and the contact angle is determined by an AS100 droplet shape
analyzer. Cotton and polyester materials are taken as examples, the
wear resistance of the uncoated cotton is 20 times, and the wear
rate is 0.8%. During the test, the coating amount to the cotton is
35 g/m.sup.2, and the coating amount to the polyester is 15
g/m.sup.2. The wear resistance of the cotton coated by an approach
of the present invention is 1263 times, and the wear rate is 3.7%
at 1500 times. The wear resistant times of the polyester is 2106
times, and the wear rate is 5.1% at 3000 times. The contact angle
of the uncoated cotton is 0.degree.; the contact angle of the
uncoated polyester is 90.2.degree., the contact angle of the cotton
coated by an approach of the present invention is 60.5.degree., and
the contact angle of the polyester coated by an approach of the
present invention is 89.8.degree..
Reference Example 4
[0125] (1) 1 g nano silicon carbide (with particle size about 60
nm), 0.5 g polyvinyl alcohol, 0.5 g
N-(.beta.-aminoethyl)-.gamma.-aminopropyl triethoxysilane, and 90 g
deionized water are added to a reactor to react at 40.degree. C.
for 2 hours. After reaction products are cooled, the products are
filtrated under reduced pressure and are dried at room temperature
for 12 hours. Then, milling and screening are performed to finally
obtain nano silicon carbide with a large amount of --NH.sub.3 and
--COOH on its surface.
[0126] (2) 17 g phenolic resin, 8 g silicone resin, 60 g n-butanol,
and 40 g xylene are respectively weighed in a 250 ml beaker, and a
magnetic stirrer is used to stir them in 1600 rpm for 40
minutes.
[0127] (3) 1 g nano silicon carbide with a large amount of
--NH.sub.3 and --COOH on its surface, 0.20 g .gamma.-mercaptopropyl
triethoxysilane, 0.30 g glycol monobutyl ether, 2 g
hydroxymethylfatty amide, and 1 g nano zinc oxide are added to the
dispersion solution prepared in the step (2), and then a magnetic
stirrer is used to stir them in 2000 rpm for 20 minutes to obtain
the stable dispersion solution, namely as the fabric coating
agent.
[0128] (4) A cleaned cotton plain fabric is taken and an approach
of knife coating, roll coating, calendering, or dipping is
performed to make the coating agent adhere to the fabric surface.
After 40 minutes, the fabric is put into an oven at 60.degree. C.
for drying for 30 minutes, so as to form a coating.
[0129] (5) After testing, the tensile breaking strength of the
fabric with the coating which is obtained from the present
embodiment is 65% higher than that of the original fabric, the
bursting strength is 45% higher than that of the original fabric,
the tearing strength is 50% higher than that of the original
fabric. The fabric is soft and has certain antibacterial
performance as well as waterproof-and-moisture-permeability
performance.
[0130] Wear resistance and contact angle of the fabric with the
coating of the present invention are tested. Times of the wear
resistance are determined by a Taber-type fabric abrasion tester,
and the contact angle is determined by an AS100 droplet shape
analyzer. Cotton and polyester materials are taken as examples, the
wear resistance of the uncoated cotton is 20 times, and the wear
rate is 0.8%. During the test, the coating amount to the cotton is
35 g/m.sup.2, and the coating amount to the polyester is 15
g/m.sup.2. The wear resistance of the cotton coated by an approach
of the present invention is 1478 times, and the wear rate is 2.9%
at 1500 times. The wear resistant times of the polyester is 2234
times, and the wear rate is 3.9% at 3000 times. The contact angle
of the uncoated cotton is 0.degree.; the contact angle of the
uncoated polyester is 90.2.degree., the contact angle of the cotton
coated by an approach of the present invention is 65.2.degree., and
the contact angle of the polyester coated by an approach of the
present invention is 90.2.degree..
Reference Example 5
[0131] (1) 2.2 g silicon carbide (with particle size about 80 nm),
0.5 g N--(.beta.-aminoethyl)-.gamma.-aminopropyl triethoxysilane
and 90 g n-heptaneare added to a reactor to react at 60.degree. C.
for 7 hours. After reaction products are cooled, the products are
filtrated under reduced pressure and are dried at room temperature
for 13 hours. Then, milling and screening are performed to finally
obtain silicon carbide with a large amount of --NH.sub.3 on its
surface.
[0132] (2) 17 g polyacrylic acid resin, 50 g n-hexane, and 50 g
xylene are respectively weighed in a 250 ml beaker, and a magnetic
stirrer is used to stir them in 1600 rpm for 40 minutes.
[0133] (3) 2.20 g obtain silicon carbide with a large amount of
--NH.sub.3 on its surface, 0.20 g of isophorone, 0.10 g of sodium
dodecyl sulfate, 0.30 g of dodecyl alcohol ester, and 4 g of
lithium carbonate are added to the dispersion solution prepared in
the step (2), and then a magnetic stirrer is used to stir them in
2000 rpm for 20 minutes to obtain the stable dispersion solution,
namely as the fabric coating agent.
[0134] (4) A cleaned cashmere/cotton blended fabric is taken and an
approach of knife coating, roll coating, calendering, or dipping is
performed to make the coating agent adhere to the fabric surface.
After 50 minutes, the fabric is put into an oven at 100.degree. C.
for drying for 50 minutes, so as to form a coating.
[0135] (5) After testing, the tensile breaking strength of the
fabric with the coating which is obtained from the present
embodiment is 90% higher than that of the original fabric, the
bursting strength is 85% higher than that of the original fabric,
the tearing strength is 80% higher than that of the original
fabric. The feeling to the fabric is particularly hard and the
fabric has good antibacterial performance as well as
waterproof-and-moisture-permeability performance.
[0136] Wear resistance and contact angle of the fabric with the
coating of the present invention are tested. Times of the wear
resistance are determined by a Taber-type fabric abrasion tester,
and the contact angle is determined by an AS100 droplet shape
analyzer. Cotton and polyester materials are taken as examples, the
wear resistance of the uncoated cotton is 20 times, and the wear
rate is 0.8%. During the test, the coating amount to the cotton is
35 g/m.sup.2, and the coating amount to the polyester is 15
g/m.sup.2. The wear resistance of the cotton coated by an approach
of the present invention is 1590 times, and the wear rate is 2.5%
at 1500 times. The wear resistant times of the polyester is 2769
times, and the wear rate is 2.8% at 3000 times. The contact angle
of the uncoated cotton is 0.degree.; the contact angle of the
uncoated polyester is 90.2.degree., the contact angle of the cotton
coated by an approach of the present invention is 78.9.degree., and
the contact angle of the polyester coated by an approach of the
present invention is 93.1.degree..
Reference Example 6
[0137] (1) 2.1 g titanium carbide (with particle size about 80 nm),
2 g titanium borate (with particle size about 50 nm), 0.5 g fumaric
acid, 0.5 g polyamide, and 90 g deionized water are added to a
reactor to react at 80.degree. C. for 7 hours. After reaction
products are cooled, the products are filtrated under reduced
pressure and are dried at room temperature for 16 hours. Then,
milling and screening are performed to finally obtain titanium
carbide and titanium borate with a large amount of --NH.sub.3 and
--COOH on their surfaces.
[0138] (2) 20 g cyanate resin, 45 g cyclohexane, and 55 g xylene
are respectively weighed in a 250 ml beaker, and a magnetic stirrer
is used to stir them in 1500 rpm for 60 minutes.
[0139] (3) 2.1 g titanium carbide with a large amount of --NH.sub.3
and --COOH on its surface, 2 g titanium borate with a large amount
of --NH.sub.3 and --COOH on its surface, 0.25 g isophorone, 0.25 g
of sodium dodecyl sulfate, 0.20 g dodecyl alcohol ester, and 3 g
stearamide hydrochloride are added to the dispersion solution
prepared in the step (2), and then a magnetic stirrer is used to
stir them in 2000 rpm for 20 minutes to obtain the stable
dispersion solution, namely as the fabric coating agent.
[0140] (4) A cleaned wool/silk blended fabric is taken and an
approach of knife coating, roll coating, calendering, or dipping is
performed to make the coating agent adhere to the fabric surface.
After 30 minutes, the fabric is put into an oven at 80.degree. C.
for drying for 30 minutes, so as to form a coating.
[0141] (5) After testing, the tensile breaking strength of the
fabric with the coating which is obtained from the present
embodiment is 70% higher than that of the original fabric, the
bursting strength is 65% higher than that of the original fabric,
the tearing strength is 70% higher than that of the original
fabric. The fabric is soft and has bad antibacterial.
[0142] Wear resistance and contact angle of the fabric with the
coating of the present invention are tested. Times of the wear
resistance are determined by a Taber-type fabric abrasion tester,
and the contact angle is determined by an AS100 droplet shape
analyzer. Cotton and polyester materials are taken as examples, the
wear resistance of the uncoated cotton is 20 times, and the wear
rate is 0.8%. During the test, the coating amount to the cotton is
35 g/m.sup.2, and the coating amount to the polyester is 15
g/m.sup.2. The wear resistance of the cotton coated by an approach
of the present invention is 1609 times, and the wear rate is 2.1%
at 1500 times. The wear resistant times of the polyester is 2732
times, and the wear rate is 2.7% at 3000 times. The contact angle
of the uncoated cotton is 0.degree.; the contact angle of the
uncoated polyester is 90.2.degree., the contact angle of the cotton
coated by an approach of the present invention is 83.5.degree., and
the contact angle of the polyester coated by an approach of the
present invention is 92.7.degree..
[0143] In view of embodiments 1-7, it can be found that the
multifunctional high-strength composite fabric coating agent
obtained according to the technical arrangements of the present
invention is not only easy to apply, fast to react and stabilize,
but also basically suitable for a fabric surface of any material.
Moreover, a fabric after knife coating, roll coating, calendering,
or dipping has extremely high strength, excellent tearing
resistance performance, and good bursting performance, good
durability, high adhesion, even when being repeatedly knife coated,
roll coated, calendared, or dipped; the preparation method thereof
is not only technologically mature and low in production cost, but
also suitable for large-scale application.
[0144] Furthermore, the inventor of the present disclosure further
conducts tests with other materials and conditions listed in the
present disclosure as referring to the methods of the embodiments
1-7. For example, phenolic, polyurethane, silicone, and polyacrylic
resins in embodiments 1-7 are replaced by bismaleic ammonium
sulfite resin; titanium borate, titanium carbide, blackstone, nano
silicon carbide, tungsten carbide, and titanium nitride in
embodiments 1-7 are replaced by talcum powder, mica powder, and
aluminum oxide; sodium dodecyl sulfate, and polyacrylamide in
embodiments 1-7 are replaced by triethylhexyl phosphate gum, fatty
acid polyethylene glycol ester, sodium tripolyphosphate, sodium
hexametaphosphate and, sodium dodecylbenzene sulfonate;
3-aminopropyltrimethoxysilane,
.gamma.-(2,3-epoxypropoxy)propyltriethoxysilane,
N-(.beta.-aminoethyl)-.gamma.-aminopropyltriethoxysilane, polyvinyl
alcohol, polyamide, and polyacrylic acid in embodiments 1-7 are
replaced by .gamma.-methylpropenyloxypropyltrimethoxysilane,
anilinophenone, .gamma.-aminopropylmethyldiethoxysilane,
polymethylacrylic acid, polymaleic anhydride, and copolymer of
fumaric acid and propylene sulfonic acid; isophorone,
octyltriethoxysilane, .gamma.-mercaptopropyltriethoxysilane in
embodiments 1-7 are replaced by polyacrylic acid, butyl cellulose,
dodecyltriethoxysilane, isooctyltriethoxysilane,
.gamma.-chloropropyltriethoxysilane, and polydimethylsiloxane;
glycol monopropyl ether, glycol monobutyl ether, dodecyl alcohol
ester, and acrylic resin in embodiments 1-7 are replaced by
chitosan, polyvinylamine, and dimethyldiallylammonium chloride; and
deionized water, ethanol, n-butanol, n-hexane, n-heptane, n-octane,
cyclohexanen and xylene in embodiments 1-7 are replaced by
isopropanol, isoamyl alcohol, glycerol, acetone, butanone, and
n-pentane, toluene. The results show that the fabric coating is
still easy to apply, fast to react and stabilize. Also, the fabric
coating can be applied such that a fabric after knife coating, roll
coating, calendering, or dipping has excellent tearing performance
and bursting performance, extremely high strength, good durability,
and high adhesion.
[0145] It should be understood that the above described embodiments
are only some of the present invention. For one skilled in the art,
other deformations and improvements can be made without departing
from the inventive concept of the present invention, which belong
to the protection scope of the present invention.
* * * * *